Home / 895,791.78-1,236,193.92-487,895.22

Finding the Fourth Proportional to 895,791.78, 1,236,193.92 and 487,895.22

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Solution

The fourth proportional to 895,791.78, 1,236,193.92 and 487,895.22 is: 673,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,791.78 : 1,236,193.92 = 487,895.22 : x
  2. Step 2: Convert to fraction form
    895,791.78/1,236,193.92 = 487,895.22/x
  3. Step 3: Cross multiply
    895,791.78x = 1,236,193.92 × 487,895.22
  4. Step 4: Simplify right side
    895,791.78x = 603,133,104,561.06
  5. Step 5: Solve for x
    x = 603,133,104,561.06/895,791.78
  6. Step 6: Final answer
    x = 673,296.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.